/*
 * Copyright (c) 2022 Oracle and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.helidon.common.buffers;

/**
 * A listener for data.
 *
 * @param <T> type of context
 */
public interface DataListener<T> {
    /**
     * Data received or sent.
     *
     * @param ctx context
     * @param data data
     */
    default void data(T ctx, BufferData data) {
    }

    /**
     * Data received or sent.
     *
     * @param ctx context
     * @param data byte array
     * @param position position within the byte array
     * @param offset number of bytes
     */
    default void data(T ctx, byte[] data, int position, int offset) {
    }
}
